Qwen-Image 2.1 on 20 GB of VRAM
Yes. 16-bit fits on 20 GB with 3.5 GB to spare. September 2026: a new 7B model that does text-to-image and editing in one, with transparent-background (RGBA) output. Far lighter than the 20B Qwen-Image.
Runs well
Yes.
Take 16-bit (14.2 GB). In use it comes to about 16.5 GB, with 3.5 GB left over on 20 GB.
Best file16-bit
File size14.2 GB
VRAM needed~16.5 GB
System RAM32 GB+
Memory map · 20 GB GPU16.5 GB / 20 GB
010 GB20 GB
Weights 16-bit · 14.2 GBWorking memory · 1.5 GBReserve · 0.8 GBFree · 3.5 GB
calculated How this is counted.
01What to download
| Part | File | Folder | Size | |
|---|---|---|---|---|
| Model | qwen_image_2.1_bf16.safetensors 16-bit · Comfy-Org/Qwen-Image-2.1 | models/diffusion_models | 14.2 GB | Download → |
| Text encoder | qwen3vl_8b_int8_convrot.safetensors Qwen3-VL 8B INT8 · Comfy-Org/Qwen-Image-2.1 | models/text_encoders | 9.4 GB | Download → |
| VAE | qwen_image_2.1_vae_bf16.safetensors Qwen-Image 2.1 VAE · Comfy-Org/Qwen-Image-2.1 | models/vae | 0.7 GB | Download → |
| Total download · keep about the same free on disk | 24.3 GB | |||
Alternatives: Qwen3-VL 8B BF16 (17.5 GB). Sizes from Hugging Face, 2026-10-01.
Free ComfyUI workflow, tested on my RTX 5060 Ti: INT8 workflow (.json). Drag the file into ComfyUI. All workflows →
02Every file, on 20 GB
| File | Size | Needed | On this card | Quality | Download |
|---|---|---|---|---|---|
| 16-bit ← SAFETENSORS · Comfy-Org | 14.2 GB | 16.5 GB | fits · 3.5 GB spare | the original weights | Hugging Face → |
| Q8_0 GGUF · Abiray | 7.6 GB | 9.9 GB | fits · 10.1 GB spare | practically identical to the original | Hugging Face → |
| INT8 SAFETENSORS · Comfy-Org | 7.3 GB | 9.6 GB | fits · 10.4 GB spare | practically identical to the original | Hugging Face → |
| Q6_K GGUF · Abiray | 5.9 GB | 8.2 GB | fits · 11.8 GB spare | very close to the original | Hugging Face → |
| Q5_K_M GGUF · Abiray | 5.0 GB | 7.3 GB | fits · 12.7 GB spare | close; small differences in fine detail | Hugging Face → |
| Q4_K_M GGUF · Abiray | 4.2 GB | 6.5 GB | fits · 13.5 GB spare | good; some loss in fine detail and text | Hugging Face → |
| Q3_K_M GGUF · Abiray | 3.2 GB | 5.5 GB | fits · 14.5 GB spare | noticeable loss of detail | Hugging Face → |
“Needed” adds 1.5 GB of working memory for Qwen-Image 2.1 and a 0.8 GB reserve. Sizes 2026-10-01.